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marble
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How is a anthracite coal formed?
anthracite coal is the metamorphic form of bituminous coal which is the sedimentary form. in other words it has been heated under pressure.
When solid calcium carbonate is heated what is form?
CaCO3 --> CaO + CO2 Heated Calcium Carbonate (limestone) forms Calcium Oxide (quicklime) and Carbon Dioxide
Formation of ordinary Portland cement?
Ordinary Portland cement is form from materials of limestone or chalk and clay in proportion of 78and 22% respectively. The limestone and the clay are crushed and water is added to form slurry. The slurry is the heated at a high temperature in a klin to form clinker. The clinker is grinded into a powder and a range of gypsum is added which generate setting or hardening when water is added.
How is lime mined?
Limestone may be mined in a surface quarry, typically by drilling, blasting, and crushing the shot rock. In some areas, limestone mines are underground. In Florida, some limestone mines are under water- the rock is drilled, shot, and mucked while under water. Limestone may be crushed to aggregate sizes, or finely crushed to a powder state for agricultural limestone, or used a "mine safety dust" to control methane and dust in coal mines. Powdered limestone (calcium carbonate) may be roasted and hydrated to form quicklime (Calcium oxide or calcium hydroxide)
When heated potassium nitrate decomposes to form?
When heated potassium nitrate decomposes to form :K O^2NO
How does limestone turn into marble in the earth?
When limestone is under high pressure from overlaying rock layers and is heated by magma it can form marble.
What does very hot water under pressure form?
Limestone
What can granite heated under pressure form?
GNEISS
What can granite and shale form under heated pressure?
Some shale becomes limestone and some changes into coal depending on what minerals are in them. --http://library.thinkquest.org/05aug/00461/shale.htm
What rock is squeezed and heated to form marble?
Limestone.
What happens when limestone is put under heat and pressure?
It could recrystallize and form marble, under specific conditions of heat and pressure.
How does limestone form into marble?
pressure, heat, time
What is the orgin of marble rock?
When limestone is put under huge pressure, it will deform to form marble. This makes marble a metamorphic rock.
When limestone is heated strongly it breaks down to form quicklime and?
Carbon Dioxide (CO2)
How is anthracite coal formed?
anthracite coal is the metamorphic form of bituminous coal which is the sedimentary form. in other words it has been heated under pressure.
How is a anthracite coal formed?
anthracite coal is the metamorphic form of bituminous coal which is the sedimentary form. in other words it has been heated under pressure.
When solid calcium carbonate is heated what is form?
CaCO3 --> CaO + CO2 Heated Calcium Carbonate (limestone) forms Calcium Oxide (quicklime) and Carbon Dioxide
